National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Partly Cloudy and Breezy

45°F

7°C

Humidity 46%
Wind Speed SW 22 G 33 mph
Barometer 29.31 in (992.6 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 15 Jan 4:54 pm EST
Extended Forecast for

Watertown MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. West wind 9 to 13 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 33. West wind 10 to 15 mph, with gusts as high as 31 mph.

    High: 33 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of snow after 4am. Mostly cloudy, with a low around 26. South wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of rain and snow before noon, then rain likely between noon and 5pm, then a chance of rain and snow after 5pm. Cloudy, with a high near 40. South wind 3 to 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 10pm. Mostly cloudy, with a low around 30. Southwest wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: A chance of rain after 11am, mixing with snow after 5pm. Mostly cloudy, with a high near 38. West wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 38 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of snow before 9pm. Mostly cloudy, with a low around 23. Northwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 34. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. West wind 8 to 10 mph.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. West wind 9 to 13 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 33. West wind 10 to 15 mph, with gusts as high as 31 mph.
Friday Night
A slight chance of snow after 4am. Mostly cloudy, with a low around 26. South wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday
A chance of rain and snow before noon, then rain likely between noon and 5pm, then a chance of rain and snow after 5pm. Cloudy, with a high near 40. South wind 3 to 7 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 10pm. Mostly cloudy, with a low around 30. Southwest wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A chance of rain after 11am, mixing with snow after 5pm. Mostly cloudy, with a high near 38. West wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
A chance of snow before 9pm. Mostly cloudy, with a low around 23. Northwest wind around 6 mph. Chance of precipitation is 30%.
M.L.King Day
Mostly sunny, with a high near 34. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 15. West wind 8 to 10 mph.
Tuesday
Mostly sunny, with a high near 22. West wind 10 to 13 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 11. West wind around 8 mph.
Wednesday
Mostly sunny, with a high near 26. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 18. Southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 33. West wind 8 to 11 mph, with gusts as high as 22 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
1:35 pm EST Jan 15, 2026
Forecast Valid:
5pm EST Jan 15, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation